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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/02/06 22:07:52 UTC
[GitHub] jon-wei commented on issue #7015: [Issue #6967]
NoClassDefFoundError when using druid-hdfs-storage
jon-wei commented on issue #7015: [Issue #6967] NoClassDefFoundError when using druid-hdfs-storage
URL: https://github.com/apache/incubator-druid/pull/7015#issuecomment-461207328
There are some real UT failures:
```
org.apache.druid.segment.loading.HdfsDataSegmentFinderTest Time elapsed: 2.25 sec <<< ERROR!
java.lang.NoClassDefFoundError: org/apache/hadoop/net/StaticMapping
at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:807)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:485)
at org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:444)
at org.apache.druid.segment.loading.HdfsDataSegmentFinderTest.setupStatic(HdfsDataSegmentFinderTest.java:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:367)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:274)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:161)
at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.net.StaticMapping
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 21 more
```
Maybe some adjustment is needed for hadoop-common dependency in test scope
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